Sarapin and Dexamethasone are the two drugs needed for iontophoresis. After receiving a prescription from your veterinarian you can purchase the drugs from these websites, which currently have the most competitive prices (as of 11/2011).
Sarapin is a regional anesethic that provides non-sedating pain relief. The brand Sarapin has been on the market since 1931 and has no known side effects. Sarapin is known for relief of neuromuscular pain as an injectable with immediate effects and in some cases the pain relief lasts days or weeks, this beneficial effect seems similar when phoresed.
Dexamethasone is a corticosteriod and acts as an anti-inflammatory. It is necessary to use the 4mg/ml strength when phoresing (2 mg/ml is too weak).
Note: A prescription from a veterinarian is required to purchase these drugs.
Horse Cocktail (for Iontophoresis): The "horse cocktail" is a mixture of 4mg/ml Dexamethasone (optional: 40mg/ml Depo Medrol) for the negative polarity and Sarapin for the positive polarity. Saline Solution can be used if necessary to completely fill the drug-delivery pads.
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